208021785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{25169}}^1$

素因数の和:25225

約数の個数: 32

約数和(自身を含む): 362448000

約数和(自身を除く): 154426215

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 25169, 75507, 125845, 377535, 478211, 729901, 1434633, 2189703, 2391055, 3649505, 7173165, 10948515, 13868119, 41604357, 69340595, 208021785]

約数ペア:

[(1, 208021785), (3, 69340595), (5, 41604357), (15, 13868119), (19, 10948515), (29, 7173165), (57, 3649505), (87, 2391055), (95, 2189703), (145, 1434633), (285, 729901), (435, 478211), (551, 377535), (1653, 125845), (2755, 75507), (8265, 25169)]